BE824844A - PRESSURE FLUID SUPPLY REGULATION DEVICE FOR TWO OPERATING CIRCUITS WITH CONSTANT CYLINDERED PUMPS - Google Patents
PRESSURE FLUID SUPPLY REGULATION DEVICE FOR TWO OPERATING CIRCUITS WITH CONSTANT CYLINDERED PUMPSInfo
- Publication number
- BE824844A BE824844A BE2054110A BE2054110A BE824844A BE 824844 A BE824844 A BE 824844A BE 2054110 A BE2054110 A BE 2054110A BE 2054110 A BE2054110 A BE 2054110A BE 824844 A BE824844 A BE 824844A
- Authority
- BE
- Belgium
- Prior art keywords
- cylindered
- pumps
- constant
- fluid supply
- pressure fluid
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
- F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403096A FR2259255B1 (en) | 1974-01-30 | 1974-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE824844A true BE824844A (en) | 1975-05-15 |
Family
ID=9134225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2054110A BE824844A (en) | 1974-01-30 | 1975-01-28 | PRESSURE FLUID SUPPLY REGULATION DEVICE FOR TWO OPERATING CIRCUITS WITH CONSTANT CYLINDERED PUMPS |
Country Status (11)
Country | Link |
---|---|
US (1) | US3924971A (en) |
JP (1) | JPS598683B2 (en) |
AR (1) | AR204734A1 (en) |
BE (1) | BE824844A (en) |
BR (1) | BR7500555A (en) |
CA (1) | CA1009538A (en) |
DE (1) | DE2503801A1 (en) |
ES (1) | ES434262A1 (en) |
FR (1) | FR2259255B1 (en) |
GB (1) | GB1489438A (en) |
IT (1) | IT1027415B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4416949A (en) | 1976-11-12 | 1983-11-22 | Solvay & Cie. | Composite panel comprising a metal foil and a polyolefine sheet |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3868821A (en) * | 1974-03-20 | 1975-03-04 | Tyrone Hydraulics | Automatic pump control system |
JPS5569782A (en) * | 1978-11-20 | 1980-05-26 | Japan Steel Works Ltd:The | Output-power controller for pumps |
US5228289A (en) * | 1983-06-29 | 1993-07-20 | Peter Norton | Plural hydraulic pump system with unloading valve |
US4787204A (en) * | 1987-09-28 | 1988-11-29 | J. I. Case Company | Common relief valve |
DE4317397A1 (en) * | 1993-05-25 | 1994-12-01 | Linde Ag | Industrial truck with a load handler and two lifting cylinders connected in parallel |
JPH09126157A (en) * | 1995-08-29 | 1997-05-13 | Aisin Seiki Co Ltd | Tandem pump device |
AT516181B1 (en) * | 2014-10-08 | 2016-03-15 | Weber Hydraulik Gmbh | hydraulic power unit |
JP6434462B2 (en) | 2016-08-30 | 2018-12-05 | ファナック株式会社 | Spot welding equipment for judging welding status |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE369948B (en) * | 1969-12-03 | 1974-09-23 | I Soeyland | |
DE2003740C3 (en) * | 1970-01-28 | 1981-05-07 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulic system with at least two pumps |
NO124443B (en) * | 1970-04-22 | 1972-04-17 | Ingebret Soeyland |
-
1974
- 1974-01-30 FR FR7403096A patent/FR2259255B1/fr not_active Expired
-
1975
- 1975-01-01 AR AR257444A patent/AR204734A1/en active
- 1975-01-23 US US544200*A patent/US3924971A/en not_active Expired - Lifetime
- 1975-01-28 CA CA218,820A patent/CA1009538A/en not_active Expired
- 1975-01-28 BE BE2054110A patent/BE824844A/en not_active IP Right Cessation
- 1975-01-29 ES ES434262A patent/ES434262A1/en not_active Expired
- 1975-01-29 BR BR555/75A patent/BR7500555A/en unknown
- 1975-01-29 GB GB3951/75A patent/GB1489438A/en not_active Expired
- 1975-01-29 IT IT67223/75A patent/IT1027415B/en active
- 1975-01-30 DE DE19752503801 patent/DE2503801A1/en not_active Ceased
- 1975-01-30 JP JP50011987A patent/JPS598683B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4416949A (en) | 1976-11-12 | 1983-11-22 | Solvay & Cie. | Composite panel comprising a metal foil and a polyolefine sheet |
Also Published As
Publication number | Publication date |
---|---|
BR7500555A (en) | 1975-11-11 |
GB1489438A (en) | 1977-10-19 |
ES434262A1 (en) | 1976-12-16 |
FR2259255A1 (en) | 1975-08-22 |
AR204734A1 (en) | 1976-02-27 |
US3924971A (en) | 1975-12-09 |
FR2259255B1 (en) | 1976-11-26 |
JPS598683B2 (en) | 1984-02-27 |
IT1027415B (en) | 1978-11-20 |
JPS50107386A (en) | 1975-08-23 |
DE2503801A1 (en) | 1975-07-31 |
CA1009538A (en) | 1977-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: POCLAIN S.A. Effective date: 19870131 |